20147950466

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1\times {\mathrm{1109}}^1$

素因数の和:2211

約数の個数: 64

約数和(自身を含む): 36591851520

約数和(自身を除く): 16443901054

約数列:

[1, 2, 7, 14, 31, 41, 62, 82, 217, 287, 434, 574, 1021, 1109, 1271, 2042, 2218, 2542, 7147, 7763, 8897, 14294, 15526, 17794, 31651, 34379, 41861, 45469, 63302, 68758, 83722, 90938, 221557, 240653, 293027, 318283, 443114, 481306, 586054, 636566, 1132289, 1297691, 1409539, 2264578, 2595382, 2819078, 7926023, 9083837, 9866773, 15852046, 18167674, 19733546, 35100959, 46423849, 70201918, 92847698, 245706713, 324966943, 491413426, 649933886, 1439139319, 2878278638, 10073975233, 20147950466]

約数ペア:

[(1, 20147950466), (2, 10073975233), (7, 2878278638), (14, 1439139319), (31, 649933886), (41, 491413426), (62, 324966943), (82, 245706713), (217, 92847698), (287, 70201918), (434, 46423849), (574, 35100959), (1021, 19733546), (1109, 18167674), (1271, 15852046), (2042, 9866773), (2218, 9083837), (2542, 7926023), (7147, 2819078), (7763, 2595382), (8897, 2264578), (14294, 1409539), (15526, 1297691), (17794, 1132289), (31651, 636566), (34379, 586054), (41861, 481306), (45469, 443114), (63302, 318283), (68758, 293027), (83722, 240653), (90938, 221557)]